Press fitting equipment

Abstract

The utility model provides press fitting equipment, and relates to the field of cylinder cover production. The press-fitting equipment comprises a rack, a conveying device, a press-fitting table, a transferring device and a press-fitting device, the conveying device, the press-fitting table, the transferring device and the press-fitting device are arranged on the rack, the transferring device is provided with a clamping end moving to the conveying device and the press-fitting table, and the press-fitting device is provided with a press-fitting end moving to the press-fitting table. The frame serves as a supporting element, the conveying device, the press-fitting table, the transferring device and the press-fitting device are all installed on the rack, so that the valve spring press-fitting machine has good integrity, in addition, the press-fitting end of the press-fitting device is used for press-fitting of the valve spring, mechanical press-fitting is achieved, and the press-fitting efficiency is improved. The labor intensity of operators is reduced while convenience and rapidness are achieved, and the personal safety of the operators is protected.

Description

Technical Field

[0001] The present application relates to the field of cylinder head production, and more particularly, to a pressing device. Background Art

[0002] Currently, the valve springs of cylinder heads are generally pressed manually. The labor intensity of pressing is high, and the pressing difficulty is great. Safety accidents are likely to occur during the pressing process, posing a threat to the personal safety of operators. Utility Model Content

[0003] The purpose of the present application is to provide a pressing device that can achieve mechanical pressing, which is convenient and fast while reducing the labor intensity of operators and protecting the personal safety of operators.

[0004] In a first aspect, the present utility model provides a pressing device. The pressing device includes a frame and a conveying device, a pressing table, a transfer device, and a pressing device mounted on the frame. The transfer device is provided with a clamping end that moves between the conveying device and the pressing table, and the pressing device is provided with a pressing end that moves to the pressing table.

[0005] In an alternative embodiment, the pressing device includes a first pressing member, a second pressing member, and a third pressing member. The first pressing member is mounted on the frame. The second pressing member rotates relative to the first pressing member about a rotation axis, and the axis direction of the rotation axis is parallel to the pressing direction of the pressing end. The third pressing member is connected to the second pressing member, and the third pressing member is provided with the pressing end.

[0006] In an alternative embodiment, the third pressing member includes a first pressing portion and a second pressing portion. The first pressing portion is connected to the second pressing member, and the second pressing portion extends or retracts relative to the first pressing portion along the pressing direction. The second pressing portion is provided with the pressing end.

[0007] In an alternative embodiment, the pressing end is provided with a plurality of pressing positions, and each pressing position is respectively used for pressing one of the valve springs.

[0008] In an alternative embodiment, the frame is provided with a slide rail, and the extending direction of the slide rail is parallel to the conveying direction of the conveying device. The transfer device is slidably disposed on the slide rail.

[0009] In an alternative embodiment, the pressing device further includes a hydraulic device, and the hydraulic device is mounted between the frame and the transfer device to push the transfer device to slide along the slide rail.

[0010] In an alternative embodiment, the transfer device includes a base, a hydraulic component, and a rotating base. The base slides along the slide rail. The hydraulic component is installed between the base and the rotating base. Under the action of the hydraulic component, the rotating base slides relative to the base in a second direction perpendicular to the extension direction of the slide rail. The clamping end is provided on the rotating base.

[0011] In an alternative embodiment, the clamping end includes a first clamping portion and a second clamping portion. The first clamping portion and the second clamping portion are oppositely arranged to form a clamping position, and buffer layers are provided on both the first clamping portion and the second clamping portion, and the buffer layers are located within the clamping position.

[0012] In an alternative embodiment, the conveying device includes a first conveying line and a second conveying line, and the pressing table is located between the first conveying line and the second conveying line.

[0013] In an alternative embodiment, the pressing device further includes a control device, and the control device is electrically connected to the transfer device and the pressing device respectively.

[0014] Compared with the prior art, the beneficial effects of the present application are as follows:

[0015] First, in the present application, the frame is used as a support element, and the conveying device, the pressing table, the transfer device, and the pressing device are all installed on the frame, so that the present application has good integrity. Second, the present application uses the transfer device to move the cylinder head between the conveying device and the pressing table, saving labor costs and having a high degree of automation. Finally, the present application presses the valve spring through the pressing end of the pressing device, realizing mechanical pressing, which is convenient and fast while reducing the labor intensity of the operator and protecting the personal safety of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings required in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 shows a schematic perspective view of the pressing device in some embodiments;

[0018] Figure 2 shows a schematic connection diagram of the frame and the pressing table in some embodiments;

[0019] Figure 3 shows a schematic perspective view of the transfer device in some embodiments;

[0020] Figure 4 Shows a plan schematic diagram of the transfer device in some embodiments;

[0021] Figure 5 Shows a three-dimensional structural schematic diagram of the press-fitting device in some embodiments;

[0022] Figure 6 Shows a three-dimensional structural schematic diagram of the press-fitting end in some embodiments.

[0023] Description of main element symbols:

[0024] 100 - Frame; 110 - Conveyor table; 120 - Tipping table; 121 - Slide rail; 200 - Conveyor device; 210 - First conveyor line; 220 - Second conveyor line; 300 - Press-fitting table; 310 - Positioning disk; 400 - Transfer device; 410 - Base; 420 - Hydraulic component; 430 - Rotary seat; 431 - Clamping end; 431a - First clamping part; 431b - Second clamping part; 500 - Press-fitting device; 510 - First press-fitting part; 520 - Second press-fitting part; 530 - Third press-fitting part; 531 - First press-fitting portion; 532 - Second press-fitting portion; 532a - Press-fitting end; 600 - Hydraulic device; 700 - Control device. Detailed description of the specific implementation

[0025] The embodiments of the present application will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application and should not be construed as a limitation of the present application.

[0026] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present application.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, "a plurality of" means two or more unless otherwise specifically defined.

[0028] In this application, unless otherwise clearly defined and limited, terms such as "installed", "connected", "linked", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0029] In this application, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature is at a higher horizontal level than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature is at a lower horizontal level than the second feature.

[0030] Embodiment 1

[0031] This embodiment is applicable to the production of cylinder heads. During production, it is necessary to press-fit valve springs onto the cylinder heads. In this embodiment, it can be set that the cylinder head has four mounting positions, and this embodiment can press-fit four valve springs onto corresponding one mounting position at one time.

[0032] Please refer to Figure 1 , this embodiment provides a press-fitting device for press-fitting valve springs onto cylinder heads. Specifically, the press-fitting device includes a frame 100 and a conveying device 200, a press-fitting table 300, a transfer device 400, and a press-fitting device 500 installed on the frame 100.

[0033] Please refer to Figure 1 and Figure 2 , the frame 100 is used as a supporting element. For the convenience of description and understanding, the frame 100 is divided into a conveying table 110 and a turning table 120. Among them, the conveying device 200 and the press-fitting table 300 are installed on the conveying table 110, and the transfer device 400 and the press-fitting device 500 are installed on the turning table 120.

[0034] In this embodiment, it can be set that the outer dimensions of the conveying table 110 are 4500×600×800 mm, the material is Q345B steel, and the translation ability can safely bear a maximum of 300 kg. The welds at the welded parts of the turning table 120 are fully penetrated, and the fillet weld height is 10 mm.

[0035] The conveying device 200 includes a first conveying line 210 and a second conveying line 220. The first conveying line 210 is used to convey the cylinder head on which the valve spring has not been press-fitted, and the second conveying line 220 is used to convey the cylinder head on which the valve spring has been press-fitted.

[0036] In this embodiment, the conveying device 200 adopts the method of unpowered roller transportation, which plays a role in cost saving.

[0037] The press-fitting table 300 is located between the first conveying line 210 and the second conveying line 220. In this embodiment, a positioning disk 310 is provided on the press-fitting table 300, so that the cylinder head can be placed on the positioning disk 310 in a preset placement posture, playing a positioning role and avoiding the problem of misaligned press-fitting in the subsequent press-fitting process.

[0038] Relative to the feeding end of the first conveying line 210, the discharging end of the first conveying line 210 is arranged close to the press-fitting table 300. Relative to the discharging end of the second conveying line 220, the feeding end of the second conveying line 220 is arranged close to the press-fitting table 300, that is, the conveying direction of the conveying device 200 is from left to right.

[0039] For the convenience of subsequent transfer, an L-shaped baffle is arranged at the discharging end of the first conveying line 210. When the cylinder head is conveyed to before the L-shaped baffle, the cylinder head is blocked by the L-shaped baffle and stops moving.

[0040] Please refer to Figure 1 、 Figure 3 and Figure 4 , the transfer device 400 is provided with a clamping end 431 that moves between the conveying device 200 and the press-fitting table 300. The clamping end 431 includes a first clamping portion 431a and a second clamping portion 431b. The first clamping portion 431a and the second clamping portion 431b are arranged oppositely and form a clamping position. It can be understood that the first clamping portion 431a and the second clamping portion 431b approach or separate from each other. When the first clamping portion 431a and the second clamping portion 431b approach each other, the cylinder head can be clamped, and when the first clamping portion 431a and the second clamping portion 431b separate from each other, the cylinder head can be put down.

[0041] To realize the relative movement of the first clamping portion 431a and the second clamping portion 431b, this embodiment adopts a hydraulic component. The pressure of the hydraulic component is 5 t, and the moving range is 0 - 100 mm.

[0042] Both the first clamping part 431a and the second clamping part 431b are provided with a buffer layer, and the buffer layer is located within the clamping position. In actual use, the buffer layer is configured to be made of polyester material with a thickness of 10 mm.

[0043] The press-fitting device 500 is provided with a press-fitting end 532a that moves to the press-fitting table 300, and the press-fitting direction of the press-fitting end 532a is from top to bottom.

[0044] Please refer to Figure 1 and Figure 5 In some embodiments, the press-fitting device 500 includes a first press-fitting member 510, a second press-fitting member 520, and a third press-fitting member 530. The first press-fitting member 510 is installed on the frame 100. The second press-fitting member 520 rotates relative to the first press-fitting member 510 around a rotation axis, and the axis direction of the rotation axis is parallel to the press-fitting direction of the press-fitting end 532a. The third press-fitting member 530 is connected to the second press-fitting member 520, and the third press-fitting member 530 is provided with the press-fitting end 532a.

[0045] Specifically, the first press-fitting member 510 is a rod-shaped structure placed vertically, the second press-fitting member 520 is a square tube placed horizontally, the third press-fitting member 530 is a rod-shaped structure placed vertically. The first end of the third press-fitting member 530 is connected to the second press-fitting member 520, and the second end of the third press-fitting member 530 is the above-mentioned press-fitting end 532a, and the second end is closer to the press-fitting table 300 than the first end.

[0046] The second press-fitting member 520 rotates relative to the first press-fitting member 510 around the rotation axis between a first position and a second position. Among them, the rotation axis is the first press-fitting member 510. In the first position, the press-fitting end 532a faces the press-fitting table 300 to facilitate press-fitting. In the second position, the press-fitting end 532a is away from the press-fitting table 300 to facilitate the transfer of the cylinder head.

[0047] The third press-fitting member 530 includes a first press-fitting part 531 and a second press-fitting part 532. The first press-fitting part 531 is connected to the second press-fitting member 520, and the second press-fitting part 532 extends or retracts relative to the first press-fitting part 531 along the press-fitting direction, and the second press-fitting part 532 is provided with the press-fitting end 532a.

[0048] In specific implementation, the first press-fitting part 531 and the second press-fitting part 532 can be configured as components with telescopic functions such as cylinders or hydraulics. The pressure of this component is 5t, and the movement range is 0 - 200 mm.

[0049] Please refer to Figure 6 , the press-fitting end 532a is provided with a plurality of press-fitting positions, and each press-fitting position is respectively used to press-fit a valve spring. According to the foregoing, the number of valve springs is four, so the number of press-fitting positions is also four. Each press-fitting position is used to press-fit a valve spring to a corresponding installation position.

[0050] Please refer to Figure 1 Figure 1 , to expand the transfer range of the transfer device 400, the following settings can also be made in this embodiment. The frame 100 is provided with a slide rail 121. The slide rail 121 is located on the turning table 120, and the extending direction of the slide rail 121 is parallel to the conveying direction of the conveying device 200. The transfer device 400 is slidably arranged on the slide rail 121.

[0051] Please refer to Figure 1 and Figure 2 Figure 2 , the transfer device 400 first picks up the cylinder head on the first conveying line 210, then moves a certain distance from left to right along the slide rail 121 to reach above the pressing table 300, and then places the cylinder head on the pressing table 300. After pressing the valve spring into the cylinder head, the transfer device 400 picks up the cylinder head again, then moves a certain distance from left to right along the slide rail 121 to reach above the second conveying line 220, and places the cylinder head on the second conveying line 220.

[0052] Please refer to Figure 1 、 Figure 3 and Figure 4 Figure 4 , the pressing device further includes a hydraulic device 600. The hydraulic device 600 is installed between the frame 100 and the transfer device 400 to push the transfer device 400 to slide along the slide rail 121. The pressure of the hydraulic device 600 is 5t, and the moving range is 0 - 800mm.

[0053] The transfer device 400 includes a base 410, a hydraulic component 420, and a rotating base 430. The base 410 slides along the slide rail 121. The hydraulic component 420 is installed between the base 410 and the rotating base 430. Under the action of the hydraulic component 420, the rotating base 430 slides relative to the base 410 in a second direction. The second direction is perpendicular to the extending direction of the slide rail 121. The rotating base 430 is provided with a clamping end 431.

[0054] In this embodiment, the second direction is the vertical direction.

[0055] Please refer to Figure 1 Figure 1 , in some embodiments, the pressing device further includes a control device 700. The control device 700 is electrically connected to the transfer device 400 and the pressing device 500 respectively. Through the setting of the control device 700, the automation level of the pressing device can be improved.

[0056] Please refer to Figure 1 and Figure 3 Figure 3 , the control device 700 controls the hydraulic component 420 of the transfer device 400 to extend or retract through a displacement button, and also controls the rotating base 430 of the transfer device 400 to rotate through a turning button.

[0057] Further, the control device 700 is also electrically connected to the hydraulic device 600. Specifically, the control device 700 controls the hydraulic device 600 to extend or retract through a travel switch button, thereby controlling the transfer device 400 to move along the slide rail 121.

[0058] Please refer to Figure 1 and Figure 5 , the control device 700 controls the second pressing member 520 of the press-fitting device 500 to rotate relative to the first pressing member 510 through a rotation button, and also controls the second pressing portion 532 of the press-fitting device 500 to extend or retract relative to the first pressing portion 531 through a telescopic button.

[0059] In actual use, the control device 700 is controlled by a PC / PLC, can store information such as cylinder head number, station number, working date, and operator, and the control device 700 has a built-in network communication interface.

[0060] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 5 , based on the above content, the usage principle of the press-fitting equipment in this embodiment is further described as follows:

[0061] S100. The cylinder head without the valve spring is conveyed from the feeding end of the first conveyor line 210 to the discharging end of the first conveyor line 210 and stops in front of the L-shaped baffle.

[0062] S200. Start the transfer device 400, clamp the cylinder head through the clamping end 431, install the valve spring on the cylinder head, and fix it with a rubber ring.

[0063] S300. Press the displacement button to control the hydraulic component 420 to extend, and the clamping end 431 clamping the cylinder head moves upward a certain distance to a preset position. Then press the flipping button to rotate the cylinder head by 90°, with the valve spring facing upward.

[0064] S400. Press the travel switch button, the hydraulic device 600 pushes the transfer device 400 to slide from left to right. Then press the displacement button to control the hydraulic component 420 to retract, and the clamping end 431 moves downward to the press-fitting table 300, and the cylinder head is released.

[0065] S500. Press the rotation button to rotate the press-fitting end 532a to the first position, place the special disassembly and assembly tool for the valve spring on the valve spring. Then press the telescopic button to control the second press-fitting portion 532 to extend relative to the first press-fitting portion 531, and the press-fitting end 532a descends for press-fitting.

[0066] After the press-fitting is completed, press the telescopic button to control the second press-fitting part 532 to retract relative to the first press-fitting part 531, and the press-fitting end 532a rises. Then press the rotation button to rotate the press-fitting end 532a to the second position.

[0067] S700. Press the displacement button to control the hydraulic component 420 to retract, and the clamping end 431 moves downward to the press-fitting table 300 to pick up the cylinder head. Then press the displacement button to control the hydraulic component 420 to extend, and the clamping end 431 moves downward to the preset position.

[0068] S800. Press the travel switch button, and the hydraulic device 600 pushes the transfer device 400 to slide from left to right. Then press the displacement button to control the hydraulic component 420 to retract, and the clamping end 431 moves downward to the second conveyor line 220, so as to transfer the cylinder head from the press-fitting table 300 to the second conveyor line 220.

[0069] In the description of this specification, the descriptions with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0070] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present application. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present application.

Claims

1. A press-fitting device for press-fitting a valve spring to a cylinder head, characterized in that: It comprises a frame and a conveying device, a press-fitting table, a transfer device and a press-fitting device installed on the frame, wherein the transfer device is provided with a clamping end that moves between the conveying device and the press-fitting table, and the press-fitting device is provided with a press-fitting end that moves to the press-fitting table; The press-fitting device includes a first press-fitting part, a second press-fitting part and a third press-fitting part. The first press-fitting part is installed on the frame. The second press-fitting part rotates around a rotating axis relative to the first press-fitting part. The axial direction of the rotating axis is parallel to the press-fitting direction of the press-fitting end. The third press-fitting part is connected to the second press-fitting part, and the third press-fitting part is provided with the press-fitting end.

2. The press-fitting device according to claim 1, characterized in that: The third press-fitting part includes a first press-fitting portion and a second press-fitting portion, the first press-fitting portion is connected to the second press-fitting part, the second press-fitting portion extends or retracts relative to the first press-fitting portion along the press-fitting direction, and the second press-fitting portion is provided with the press-fitting end.

3. The press-fitting device according to claim 1 or 2, characterized in that: The press-fitting end is provided with a plurality of press-fitting positions, and each of the press-fitting positions is used for press-fitting one of the valve springs.

4. The press-fitting device according to claim 1 or 2, characterized in that: The frame is provided with a slide rail, the extension direction of the slide rail is parallel to the conveying direction of the conveying device, and the transfer device is slidably arranged on the slide rail.

5. The press-fitting device according to claim 4, characterized in that: It also includes a hydraulic device, which is installed between the frame and the transfer device to push the transfer device to slide along the slide rail.

6. The press-fitting device according to claim 5, characterized in that The transfer device includes a base, a hydraulic component and a rotating seat. The base slides along the slide rail. The hydraulic component is installed between the base and the rotating seat. Under the action of the hydraulic component, the rotating seat slides relative to the base along a second direction. The second direction is perpendicular to the extension direction of the slide rail. The rotating seat is provided with the clamping end.

7. The press-fitting device according to claim 1 or 2, characterized in that: The clamping end includes a first clamping portion and a second clamping portion, the first clamping portion and the second clamping portion are arranged opposite to each other and form a clamping position, and the first clamping portion and the second clamping portion are both provided with a buffer layer, and the buffer layer is located in the clamping position.

8. The press-fitting device according to claim 1 or 2, characterized in that: The conveying device comprises a first conveying line and a second conveying line, and the pressing station is located between the first conveying line and the second conveying line.

9. The press-fitting device according to claim 1 or 2, characterized in that: It also includes a control device, which is electrically connected to the transfer device and the press-fitting device respectively.

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